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<a class="jxr_linenumber" name="L1" href="#L1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="L2" href="#L2">2</a>   <em class="jxr_comment"> * Copyright 2013-2014 Grzegorz Slowikowski (gslowikowski at gmail dot com)</em>
<a class="jxr_linenumber" name="L3" href="#L3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L4" href="#L4">4</a>   <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a class="jxr_linenumber" name="L5" href="#L5">5</a>   <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
<a class="jxr_linenumber" name="L6" href="#L6">6</a>   <em class="jxr_comment"> * You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="L7" href="#L7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L8" href="#L8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em>
<a class="jxr_linenumber" name="L9" href="#L9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="L10" href="#L10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing,</em>
<a class="jxr_linenumber" name="L11" href="#L11">11</a>  <em class="jxr_comment"> * software distributed under the License is distributed on an</em>
<a class="jxr_linenumber" name="L12" href="#L12">12</a>  <em class="jxr_comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</em>
<a class="jxr_linenumber" name="L13" href="#L13">13</a>  <em class="jxr_comment"> * KIND, either express or implied.  See the License for the</em>
<a class="jxr_linenumber" name="L14" href="#L14">14</a>  <em class="jxr_comment"> * specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="L15" href="#L15">15</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="L16" href="#L16">16</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="L17" href="#L17">17</a>  
<a class="jxr_linenumber" name="L18" href="#L18">18</a>  <strong class="jxr_keyword">package</strong> com.google.code.sbt.compiler.sbt013;
<a class="jxr_linenumber" name="L19" href="#L19">19</a>  
<a class="jxr_linenumber" name="L20" href="#L20">20</a>  <strong class="jxr_keyword">import</strong> java.io.File;
<a class="jxr_linenumber" name="L21" href="#L21">21</a>  
<a class="jxr_linenumber" name="L22" href="#L22">22</a>  <strong class="jxr_keyword">import</strong> com.google.code.sbt.compiler.api.AbstractCompiler;
<a class="jxr_linenumber" name="L23" href="#L23">23</a>  <strong class="jxr_keyword">import</strong> com.google.code.sbt.compiler.api.CompilerConfiguration;
<a class="jxr_linenumber" name="L24" href="#L24">24</a>  <strong class="jxr_keyword">import</strong> com.google.code.sbt.compiler.api.CompilerException;
<a class="jxr_linenumber" name="L25" href="#L25">25</a>  
<a class="jxr_linenumber" name="L26" href="#L26">26</a>  <strong class="jxr_keyword">import</strong> org.codehaus.plexus.component.annotations.Component;
<a class="jxr_linenumber" name="L27" href="#L27">27</a>  
<a class="jxr_linenumber" name="L28" href="#L28">28</a>  <strong class="jxr_keyword">import</strong> scala.Option;
<a class="jxr_linenumber" name="L29" href="#L29">29</a>  
<a class="jxr_linenumber" name="L30" href="#L30">30</a>  <strong class="jxr_keyword">import</strong> com.typesafe.zinc.Compiler;
<a class="jxr_linenumber" name="L31" href="#L31">31</a>  <strong class="jxr_keyword">import</strong> com.typesafe.zinc.IncOptions;
<a class="jxr_linenumber" name="L32" href="#L32">32</a>  <strong class="jxr_keyword">import</strong> com.typesafe.zinc.Inputs;
<a class="jxr_linenumber" name="L33" href="#L33">33</a>  <strong class="jxr_keyword">import</strong> com.typesafe.zinc.Setup;
<a class="jxr_linenumber" name="L34" href="#L34">34</a>  
<a class="jxr_linenumber" name="L35" href="#L35">35</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L36" href="#L36">36</a>  <em class="jxr_javadoccomment"> * SBT 0.13.x compatible compiler (uses &lt;a href="https://github.com/typesafehub/zinc"&gt;Zinc&lt;/a&gt; 0.3.0)</em>
<a class="jxr_linenumber" name="L37" href="#L37">37</a>  <em class="jxr_javadoccomment"> * </em>
<a class="jxr_linenumber" name="L38" href="#L38">38</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:gslowikowski@gmail.com" target="alexandria_uri">mailto:gslowikowski@gmail.com</a>"&gt;Grzegorz Slowikowski&lt;/a&gt;</em>
<a class="jxr_linenumber" name="L39" href="#L39">39</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="L40" href="#L40">40</a>  @Component( role = com.google.code.sbt.compiler.api.Compiler.<strong class="jxr_keyword">class</strong>, hint = <span class="jxr_string">"sbt013"</span>, description = <span class="jxr_string">"SBT 0.13.x compiler (uses Zinc 0.3.0)"</span> )
<a class="jxr_linenumber" name="L41" href="#L41">41</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../com/google/code/sbt/compiler/sbt013/SBT013Compiler.html">SBT013Compiler</a>
<a class="jxr_linenumber" name="L42" href="#L42">42</a>      <strong class="jxr_keyword">extends</strong> AbstractCompiler
<a class="jxr_linenumber" name="L43" href="#L43">43</a>  {
<a class="jxr_linenumber" name="L44" href="#L44">44</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L45" href="#L45">45</a>  <em class="jxr_javadoccomment">     * SBT compilation order.</em>
<a class="jxr_linenumber" name="L46" href="#L46">46</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L47" href="#L47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String COMPILE_ORDER = <span class="jxr_string">"mixed"</span>;
<a class="jxr_linenumber" name="L48" href="#L48">48</a>  
<a class="jxr_linenumber" name="L49" href="#L49">49</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L50" href="#L50">50</a>  <em class="jxr_javadoccomment">     * Run javac compilation in forked JVM.</em>
<a class="jxr_linenumber" name="L51" href="#L51">51</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="L52" href="#L52">52</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> FORK_JAVA = false;
<a class="jxr_linenumber" name="L53" href="#L53">53</a>  
<a class="jxr_linenumber" name="L54" href="#L54">54</a>      @Override
<a class="jxr_linenumber" name="L55" href="#L55">55</a>      <strong class="jxr_keyword">public</strong> String getDefaultScalaVersion()
<a class="jxr_linenumber" name="L56" href="#L56">56</a>      {
<a class="jxr_linenumber" name="L57" href="#L57">57</a>          <strong class="jxr_keyword">return</strong> <span class="jxr_string">"2.10.3"</span>;
<a class="jxr_linenumber" name="L58" href="#L58">58</a>      }
<a class="jxr_linenumber" name="L59" href="#L59">59</a>  
<a class="jxr_linenumber" name="L60" href="#L60">60</a>      @Override
<a class="jxr_linenumber" name="L61" href="#L61">61</a>      <strong class="jxr_keyword">public</strong> String getDefaultSbtVersion()
<a class="jxr_linenumber" name="L62" href="#L62">62</a>      {
<a class="jxr_linenumber" name="L63" href="#L63">63</a>          <strong class="jxr_keyword">return</strong> <span class="jxr_string">"0.13.0"</span>;
<a class="jxr_linenumber" name="L64" href="#L64">64</a>      }
<a class="jxr_linenumber" name="L65" href="#L65">65</a>  
<a class="jxr_linenumber" name="L66" href="#L66">66</a>      @Override
<a class="jxr_linenumber" name="L67" href="#L67">67</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> performCompile( CompilerConfiguration configuration )
<a class="jxr_linenumber" name="L68" href="#L68">68</a>          <strong class="jxr_keyword">throws</strong> CompilerException
<a class="jxr_linenumber" name="L69" href="#L69">69</a>      {
<a class="jxr_linenumber" name="L70" href="#L70">70</a>          <a href="../../../../../../com/google/code/sbt/compiler/sbt013/SBT013Logger.html">SBT013Logger</a> sbtLogger = <strong class="jxr_keyword">new</strong> <a href="../../../../../../com/google/code/sbt/compiler/sbt013/SBT013Logger.html">SBT013Logger</a>( configuration.getLogger() );
<a class="jxr_linenumber" name="L71" href="#L71">71</a>          Setup setup =
<a class="jxr_linenumber" name="L72" href="#L72">72</a>              Setup.create( configuration.getScalaCompilerFile(), configuration.getScalaLibraryFile(),
<a class="jxr_linenumber" name="L73" href="#L73">73</a>                            configuration.getScalaExtraJarFiles(), configuration.getXsbtiFile(),
<a class="jxr_linenumber" name="L74" href="#L74">74</a>                            configuration.getCompilerInterfaceSrcFile(), <strong class="jxr_keyword">null</strong>, SBT013Compiler.FORK_JAVA );
<a class="jxr_linenumber" name="L75" href="#L75">75</a>          <strong class="jxr_keyword">if</strong> ( configuration.getLogger().isDebugEnabled() )
<a class="jxr_linenumber" name="L76" href="#L76">76</a>          {
<a class="jxr_linenumber" name="L77" href="#L77">77</a>              Setup.debug( setup, sbtLogger );
<a class="jxr_linenumber" name="L78" href="#L78">78</a>          }
<a class="jxr_linenumber" name="L79" href="#L79">79</a>          Compiler compiler = Compiler.create( setup, sbtLogger );
<a class="jxr_linenumber" name="L80" href="#L80">80</a>  
<a class="jxr_linenumber" name="L81" href="#L81">81</a>          Inputs inputs =
<a class="jxr_linenumber" name="L82" href="#L82">82</a>              Inputs.create( configuration.getClasspathFiles(), configuration.getSourceFiles(),
<a class="jxr_linenumber" name="L83" href="#L83">83</a>                             configuration.getOutputDirectory(), resolveScalacOptions( configuration ),
<a class="jxr_linenumber" name="L84" href="#L84">84</a>                             resolveJavacOptions( configuration ), configuration.getAnalysisCacheFile(),
<a class="jxr_linenumber" name="L85" href="#L85">85</a>                             configuration.getAnalysisCacheMap(), SBT013Compiler.COMPILE_ORDER, getIncOptions(),
<a class="jxr_linenumber" name="L86" href="#L86">86</a>                             configuration.getLogger().isDebugEnabled() <em class="jxr_comment">/* mirrorAnalysisCache */</em> );
<a class="jxr_linenumber" name="L87" href="#L87">87</a>          <strong class="jxr_keyword">if</strong> ( configuration.getLogger().isDebugEnabled() )
<a class="jxr_linenumber" name="L88" href="#L88">88</a>          {
<a class="jxr_linenumber" name="L89" href="#L89">89</a>              Inputs.debug( inputs, sbtLogger );
<a class="jxr_linenumber" name="L90" href="#L90">90</a>          }
<a class="jxr_linenumber" name="L91" href="#L91">91</a>  
<a class="jxr_linenumber" name="L92" href="#L92">92</a>          <strong class="jxr_keyword">try</strong>
<a class="jxr_linenumber" name="L93" href="#L93">93</a>          {
<a class="jxr_linenumber" name="L94" href="#L94">94</a>              compiler.compile( inputs, sbtLogger );
<a class="jxr_linenumber" name="L95" href="#L95">95</a>          }
<a class="jxr_linenumber" name="L96" href="#L96">96</a>          <strong class="jxr_keyword">catch</strong> ( xsbti.CompileFailed e )
<a class="jxr_linenumber" name="L97" href="#L97">97</a>          {
<a class="jxr_linenumber" name="L98" href="#L98">98</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> CompilerException( <span class="jxr_string">"Scala compilation failed"</span>, e );
<a class="jxr_linenumber" name="L99" href="#L99">99</a>          }
<a class="jxr_linenumber" name="L100" href="#L100">100</a>     }
<a class="jxr_linenumber" name="L101" href="#L101">101</a> 
<a class="jxr_linenumber" name="L102" href="#L102">102</a>     <strong class="jxr_keyword">private</strong> IncOptions getIncOptions()
<a class="jxr_linenumber" name="L103" href="#L103">103</a>     {
<a class="jxr_linenumber" name="L104" href="#L104">104</a>         <em class="jxr_comment">// comment from SBT (sbt.inc.IncOptions.scala):</em>
<a class="jxr_linenumber" name="L105" href="#L105">105</a>         <em class="jxr_comment">// After which step include whole transitive closure of invalidated source files.</em>
<a class="jxr_linenumber" name="L106" href="#L106">106</a>         <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="L107" href="#L107">107</a>         <em class="jxr_comment">// comment from Zinc (com.typesafe.zinc.Settings.scala):</em>
<a class="jxr_linenumber" name="L108" href="#L108">108</a>         <em class="jxr_comment">// Steps before transitive closure</em>
<a class="jxr_linenumber" name="L109" href="#L109">109</a>         <strong class="jxr_keyword">int</strong> transitiveStep = 3;
<a class="jxr_linenumber" name="L110" href="#L110">110</a> 
<a class="jxr_linenumber" name="L111" href="#L111">111</a>         <em class="jxr_comment">// comment from SBT (sbt.inc.IncOptions.scala):</em>
<a class="jxr_linenumber" name="L112" href="#L112">112</a>         <em class="jxr_comment">// What's the fraction of invalidated source files when we switch to recompiling</em>
<a class="jxr_linenumber" name="L113" href="#L113">113</a>         <em class="jxr_comment">// all files and giving up incremental compilation altogether. That's useful in</em>
<a class="jxr_linenumber" name="L114" href="#L114">114</a>         <em class="jxr_comment">// cases when probability that we end up recompiling most of source files but</em>
<a class="jxr_linenumber" name="L115" href="#L115">115</a>         <em class="jxr_comment">// in multiple steps is high. Multi-step incremental recompilation is slower</em>
<a class="jxr_linenumber" name="L116" href="#L116">116</a>         <em class="jxr_comment">// than recompiling everything in one step.</em>
<a class="jxr_linenumber" name="L117" href="#L117">117</a>         <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="L118" href="#L118">118</a>         <em class="jxr_comment">// comment from Zinc (com.typesafe.zinc.Settings.scala):</em>
<a class="jxr_linenumber" name="L119" href="#L119">119</a>         <em class="jxr_comment">// Limit before recompiling all sources</em>
<a class="jxr_linenumber" name="L120" href="#L120">120</a>         <strong class="jxr_keyword">double</strong> recompileAllFraction = 0.5d;
<a class="jxr_linenumber" name="L121" href="#L121">121</a> 
<a class="jxr_linenumber" name="L122" href="#L122">122</a>         <em class="jxr_comment">// comment from SBT (sbt.inc.IncOptions.scala):</em>
<a class="jxr_linenumber" name="L123" href="#L123">123</a>         <em class="jxr_comment">// Print very detailed information about relations, such as dependencies between source files.</em>
<a class="jxr_linenumber" name="L124" href="#L124">124</a>         <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="L125" href="#L125">125</a>         <em class="jxr_comment">// comment from Zinc (com.typesafe.zinc.Settings.scala):</em>
<a class="jxr_linenumber" name="L126" href="#L126">126</a>         <em class="jxr_comment">// Enable debug logging of analysis relations</em>
<a class="jxr_linenumber" name="L127" href="#L127">127</a>         <strong class="jxr_keyword">boolean</strong> relationsDebug = false;
<a class="jxr_linenumber" name="L128" href="#L128">128</a> 
<a class="jxr_linenumber" name="L129" href="#L129">129</a>         <em class="jxr_comment">// comment from SBT (sbt.inc.IncOptions.scala):</em>
<a class="jxr_linenumber" name="L130" href="#L130">130</a>         <em class="jxr_comment">// Enable tools for debugging API changes. At the moment this option is unused but in the</em>
<a class="jxr_linenumber" name="L131" href="#L131">131</a>         <em class="jxr_comment">// future it will enable for example:</em>
<a class="jxr_linenumber" name="L132" href="#L132">132</a>         <em class="jxr_comment">//   - disabling API hashing and API minimization (potentially very memory consuming)</em>
<a class="jxr_linenumber" name="L133" href="#L133">133</a>         <em class="jxr_comment">//   - diffing textual API representation which helps understanding what kind of changes</em>
<a class="jxr_linenumber" name="L134" href="#L134">134</a>         <em class="jxr_comment">//     to APIs are visible to the incremental compiler</em>
<a class="jxr_linenumber" name="L135" href="#L135">135</a>         <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="L136" href="#L136">136</a>         <em class="jxr_comment">// comment from Zinc (com.typesafe.zinc.Settings.scala):</em>
<a class="jxr_linenumber" name="L137" href="#L137">137</a>         <em class="jxr_comment">// Enable analysis API debugging</em>
<a class="jxr_linenumber" name="L138" href="#L138">138</a>         <strong class="jxr_keyword">boolean</strong> apiDebug = false;
<a class="jxr_linenumber" name="L139" href="#L139">139</a> 
<a class="jxr_linenumber" name="L140" href="#L140">140</a>         <em class="jxr_comment">// comment from SBT (sbt.inc.IncOptions.scala):</em>
<a class="jxr_linenumber" name="L141" href="#L141">141</a>         <em class="jxr_comment">// Controls context size (in lines) displayed when diffs are produced for textual API</em>
<a class="jxr_linenumber" name="L142" href="#L142">142</a>         <em class="jxr_comment">// representation.</em>
<a class="jxr_linenumber" name="L143" href="#L143">143</a>         <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="L144" href="#L144">144</a>         <em class="jxr_comment">// This option is used only when `apiDebug == true`.</em>
<a class="jxr_linenumber" name="L145" href="#L145">145</a>         <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="L146" href="#L146">146</a>         <em class="jxr_comment">// comment from Zinc (com.typesafe.zinc.Settings.scala):</em>
<a class="jxr_linenumber" name="L147" href="#L147">147</a>         <em class="jxr_comment">// Diff context size (in lines) for API debug</em>
<a class="jxr_linenumber" name="L148" href="#L148">148</a>         <strong class="jxr_keyword">int</strong> apiDiffContextSize = 5;
<a class="jxr_linenumber" name="L149" href="#L149">149</a> 
<a class="jxr_linenumber" name="L150" href="#L150">150</a>         <em class="jxr_comment">// comment from SBT (sbt.inc.IncOptions.scala):</em>
<a class="jxr_linenumber" name="L151" href="#L151">151</a>         <em class="jxr_comment">// The directory where we dump textual representation of APIs. This method might be called</em>
<a class="jxr_linenumber" name="L152" href="#L152">152</a>         <em class="jxr_comment">// only if apiDebug returns true. This is unused option at the moment as the needed functionality</em>
<a class="jxr_linenumber" name="L153" href="#L153">153</a>         <em class="jxr_comment">// is not implemented yet.</em>
<a class="jxr_linenumber" name="L154" href="#L154">154</a>         <em class="jxr_comment">//</em>
<a class="jxr_linenumber" name="L155" href="#L155">155</a>         <em class="jxr_comment">// comment from Zinc (com.typesafe.zinc.Settings.scala):</em>
<a class="jxr_linenumber" name="L156" href="#L156">156</a>         <em class="jxr_comment">// Destination for analysis API dump</em>
<a class="jxr_linenumber" name="L157" href="#L157">157</a>         Option&lt;File&gt; apiDumpDirectory = Option.empty();
<a class="jxr_linenumber" name="L158" href="#L158">158</a> 
<a class="jxr_linenumber" name="L159" href="#L159">159</a>         <em class="jxr_comment">// comment from Zinc (com.typesafe.zinc.Settings.scala):</em>
<a class="jxr_linenumber" name="L160" href="#L160">160</a>         <em class="jxr_comment">// Restore previous class files on failure</em>
<a class="jxr_linenumber" name="L161" href="#L161">161</a>         <strong class="jxr_keyword">boolean</strong> transactional = false;
<a class="jxr_linenumber" name="L162" href="#L162">162</a> 
<a class="jxr_linenumber" name="L163" href="#L163">163</a>         <em class="jxr_comment">// comment from Zinc (com.typesafe.zinc.Settings.scala):</em>
<a class="jxr_linenumber" name="L164" href="#L164">164</a>         <em class="jxr_comment">// Backup location (if transactional)</em>
<a class="jxr_linenumber" name="L165" href="#L165">165</a>         Option&lt;File&gt; backup = Option.empty();
<a class="jxr_linenumber" name="L166" href="#L166">166</a> 
<a class="jxr_linenumber" name="L167" href="#L167">167</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> IncOptions( transitiveStep, recompileAllFraction, relationsDebug, apiDebug, apiDiffContextSize,
<a class="jxr_linenumber" name="L168" href="#L168">168</a>                                apiDumpDirectory, transactional, backup );
<a class="jxr_linenumber" name="L169" href="#L169">169</a>     }
<a class="jxr_linenumber" name="L170" href="#L170">170</a> 
<a class="jxr_linenumber" name="L171" href="#L171">171</a> }
</pre>
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